#2D59B7#2D59B7

#2D59B7 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.157 H 263.0°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#2D59B7
RGB	rgb(45, 89, 183)
HSL	hsl(221, 61%, 45%)
HSV	hsv(221, 75%, 72%)
CMYK	cmyk(75.4%, 51.4%, 0%, 28.2%)
CIE-LAB	lab(39.78, 18.48, -54.16)
CIE-LCH	lch(39.78, 57.22, 288.84°)
OKLab	oklab(48.73% -0.0191 -0.1558)
OKLCH	oklch(48.73% 0.157 263)
XYZ	xyz(13.1988, 11.1201, 46.2413)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D59B7 #B78B2D

analogous

#2D9EB7 #2D59B7 #462DB7

triadic

#2D59B7 #B72D59 #59B72D

tetradic

#2D59B7 #B72D9E #B78B2D #2DB746

square

#2D59B7 #B72D9E #B78B2D #2DB746

split-complementary

#2D59B7 #B7462D #9EB72D

monochromatic

#152955 #214186 #2D59B7 #4E78D3 #7F9EDF

Accessibility & contrast

On white

6.51

#2D59B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2D59B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D59B7

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D59B7	#FFFFFF	#000000	##FFFFFF
##2D59B7	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D64BA

Deuteranopia (green-blind)

#0058B5

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2d59b7;
/* rgb */ color: rgb(45, 89, 183);
/* oklch */ color: oklch(48.7% 0.157 263.0);

Tailwind

colors: {
  custom: {
    50: '#7987cd',
    500: '#2d59b7',
    950: '#000000',
  },
}

SCSS

$custom: #2d59b7;
$custom-light: #7987cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d59b7",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 183
  },
  "hsl": {
    "h": 220.87,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48726,
    "c": 0.15698,
    "h": 263
  },
  "luminance": 0.11122
}

Semantic roles & 50–950 ramp

primary

#2D59B7

secondary

#C8AE78

accent

#B144E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2D59B7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →